669.33% is the change from 75 to 577
Calculation steps:
[( 577 - 75 ) ÷ 75] x 100 = 669.33%
Formula
Percentage change = [(577 - 75) / 75] x 100
Subtract the new number by the original number
577 - 75 = 502
502 ÷ 75 = 6.693333333333333
6.693333333333333 x 100 = 669.33%